The plastic door handlers were marked using a 20 watt q-switched ytterbium fiber laser with 160 mm focal length lens. The working distance from the bottom of the lens housing to the painting surface was set at 180 mm (including 5 mm focal offset).
The plastic door handlers were marked using a 20 watt q-switched ytterbium fiber laser with 160 mm focal length lens. The working distance from the bottom of the lens housing to the painting surface was set at 180 mm (including 5 mm focal offset).